Home / 31,853.01-43,962.23-18,432.42

Finding the Fourth Proportional to 31,853.01, 43,962.23 and 18,432.42

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Solution

The fourth proportional to 31,853.01, 43,962.23 and 18,432.42 is: 25,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853.01 : 43,962.23 = 18,432.42 : x
  2. Step 2: Convert to fraction form
    31,853.01/43,962.23 = 18,432.42/x
  3. Step 3: Cross multiply
    31,853.01x = 43,962.23 × 18,432.42
  4. Step 4: Simplify right side
    31,853.01x = 810,330,287.50
  5. Step 5: Solve for x
    x = 810,330,287.50/31,853.01
  6. Step 6: Final answer
    x = 25,439.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.